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Finding the Fourth Proportional to 19,846.67, 27,388.29 and 10,894.32

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Solution

The fourth proportional to 19,846.67, 27,388.29 and 10,894.32 is: 15,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,846.67 : 27,388.29 = 10,894.32 : x
  2. Step 2: Convert to fraction form
    19,846.67/27,388.29 = 10,894.32/x
  3. Step 3: Cross multiply
    19,846.67x = 27,388.29 × 10,894.32
  4. Step 4: Simplify right side
    19,846.67x = 298,376,836.37
  5. Step 5: Solve for x
    x = 298,376,836.37/19,846.67
  6. Step 6: Final answer
    x = 15,034.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.